49578419 has 12 divisors (see below), whose sum is σ = 54816552. Its totient is φ = 44837760.

The previous prime is 49578407. The next prime is 49578427. The reversal of 49578419 is 91487594.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

49578419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-49578419 is a prime.

It is a super-2 number, since 2×49578419² = 4916039261079122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49578449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256787 + ... + 256979.

It is an arithmetic number, because the mean of its divisors is an integer number (4568046).

Almost surely, 2^49578419 is an apocalyptic number.

49578419 is a deficient number, since it is larger than the sum of its proper divisors (5238133).

49578419 is an frugal number, since it uses more digits than its factorization.

49578419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 204 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The square root of 49578419 is about 7041.1944299245. The cubic root of 49578419 is about 367.3648143004.

The spelling of 49578419 in words is "forty-nine million, five hundred seventy-eight thousand, four hundred nineteen".